Dyfyniad APA

Friend, G., & Zehle, S. (2004). Guide to business planning. Economist in association with Profile Books.

Dyfyniad Arddull Chicago

Friend, Graham, and Stefan Zehle. Guide to Business Planning. London: Economist in association with Profile Books, 2004.

Dyfyniad MLA

Friend, Graham, and Stefan Zehle. Guide to Business Planning. Economist in association with Profile Books, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.